[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273.214 Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273.214 Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273.214 Vaccine;Placebo", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MRNA-1273.222 Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MRNA-1273 Vaccine;Placebo", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273.214 Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "mRNA-1273.214 Vaccine;Placebo", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MRNA-1273 Vaccine;Placebo", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "Fourth & Fifth doses", "treatment_id": 2441, "treatment_name": "Mrna-1273.214", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Fourth dose followed by a fifth dose of placebo", "treatment_id": 2441, "treatment_name": "Mrna-1273.214", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "", "treatment_id": 824, "treatment_name": "Mrna-1273", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]